from The American Heritage® Dictionary of the English Language, 4th Edition
- interj. Used to indicate understanding or to signal the fact of having caught or defeated another.
- n. A game or endeavor in which one party seeks to catch another out, as in a mistake or lie.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A potential problem or source of trouble.
- Got you; have you; as in capture or apprehend.
- Understand; comprehend.
- Got you covered, got your back; when you have an advantage or responsibility over someone.
- Got you back; as in after causing some form of retaliation or revenge against someone.
- Got you by surprise; Exclamation indicating a successful trick or prank.
- Got you by surprise; as in engineering or computer programming; typically an unintended consequence or problem caused by a small variation in areas such as command syntax, function definition, results application.
Contraction of got you.(American Heritage® Dictionary of the English Language, Fourth Edition)
Direct acquisition of gotcha, the contraction of got you. (Wiktionary)
Written form of a reduction of got you. got + -cha (Wiktionary)